Granted Patent
S1
US 1,084,286 · App. 29/992,508 · Granted Jul 15, 2025
Heat-resistant tube for vertical heat treatment equipment
Inventors:
Hironaga Suzuki (Shizuoka Pref., JP); Yuichi Kaba (Shizuoka Pref., JP); Shinjiro Toda (Shizuoka Pref., JP); Takayuki Yatsu (Shizuoka Pref., JP); Satoshi Mitamura (Shizuoka Pref., JP); Fusataka Isobe (Shizuoka Pref., JP); Masayoshi Sakurai (Shizuoka Pref., JP)
Assignee:
NIPPON ELECTRODE CO., LTD.
View Patent ↗
Loading inventors, assignments & file history…
Claims (1)
The ornamental design for a heat-resistant tube for vertical heat treatment equipment as shown and described.
Priority Claims (2)
JP 2023-012591 D
· Jun 20, 2023
· national
JP 2023-012625 D
· Jun 20, 2023
· national
Continuity (1)
Division
29919278
· Dec 3, 2023
References Cited (15)
US 2818084A
· Tennison, Jr.
· 1957
[cited by examiner]
US 4655968A
· Queiser
· 1987
[cited by examiner]
US D591407S
· Youssef
· 2009
[cited by examiner]
US D712013S
· Mather
· 2014
[cited by examiner]
US D723667S
· Locke
· 2015
[cited by examiner]
US D798423S
· Aubin
· 2017
[cited by examiner]
US D900983S
· Leung
· 2020
[cited by examiner]
US D962398S
· Barreto
· 2022
[cited by examiner]
US D967941S
· Osterhouse
· 2022
[cited by examiner]
US 20050063893A1
· Ayala
· 2005
[cited by examiner]